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ID-E270-011GB
Fig. 5.1 POLON 4900 block diagram
The PSC-43 module, performing the programmed operation procedures, controls – through the bus –
the relays or signalling lines on the PPW-49 module, LCD display, TSO-4900 panel signalling and
handling elements. The panel purpose is to provide communication between the attending
personnel and the control panel.
The mains supply module provides the control panel operation voltage and – in case of a voltage
outage – this role is executed by the battery cluster.
The MZ-48 module produces the following power supply voltage:
1.
operation 24 V for the control panel and for the user,
2.
insulated v 27 V for detection lines
3.
power supply v 5 V for the LCD display and DR-48 printer.
5.2 TSO-4900 OPERATOR CONSOLE
The TSO-4900 panel consists of the following main parts:
•
liquid crystal display (LCD),
•
PS-48 signalling devices board,
•
PO-48 operation panel ( signalling diodes),
•
DR-48 printer.
